Home / 192,874.61-266,198.50-115,345.19

Finding the Fourth Proportional to 192,874.61, 266,198.50 and 115,345.19

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Solution

The fourth proportional to 192,874.61, 266,198.50 and 115,345.19 is: 159,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,874.61 : 266,198.50 = 115,345.19 : x
  2. Step 2: Convert to fraction form
    192,874.61/266,198.50 = 115,345.19/x
  3. Step 3: Cross multiply
    192,874.61x = 266,198.50 × 115,345.19
  4. Step 4: Simplify right side
    192,874.61x = 30,704,717,369.89
  5. Step 5: Solve for x
    x = 30,704,717,369.89/192,874.61
  6. Step 6: Final answer
    x = 159,195.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.